From 3fcd54088c71cf64d723fe928f3da188f6d9952e Mon Sep 17 00:00:00 2001 From: bjorn3 Date: Tue, 20 Aug 2019 10:40:08 +0200 Subject: Implement saturating_{add,sub} intrinsics --- example/std_example.rs | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'example') diff --git a/example/std_example.rs b/example/std_example.rs index f16ff592d4c..26289818896 100644 --- a/example/std_example.rs +++ b/example/std_example.rs @@ -38,6 +38,11 @@ fn main() { assert_eq!(2.3f32.copysign(-1.0), -2.3f32); println!("{}", 2.3f32.powf(2.0)); + assert_eq!(-128i8, (-128i8).saturating_sub(1)); + assert_eq!(127i8, 127i8.saturating_sub(-128)); + assert_eq!(-128i8, (-128i8).saturating_add(-128)); + assert_eq!(127i8, 127i8.saturating_add(1)); + assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26); assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7); -- cgit 1.4.1-3-g733a5